Mold compound.



MAX. AMS, OF MOUNI VERNON, NEW" YORK.

MOLD COMPOUND.

No. smpm.

Specification of Letters Patent atented March 6, 19061 Application filed November 28, 1905. Serial N0v 23%.220,

To (till whom it may (ioncarnz Be it known that 1, MAX Ans, a citizen of the United States, residing at Mount Vernon, Westcliester county, State of New York, liaise invented new and useful Improvements in Mold Compounds, of which the following is ii specification.

This invention relates to a mold for casting metal.

The mold consists of a mixture of the following ingrmlionts in about the proportions specified: one part powdered mini-rail wool, one and one-half parts plnster-of-paris, onehalf part agar-agar, one part water.-

The mold is made by masking ii model with the above composition, permitting the latter to set, and Hum cutting it into sections, so that it ma be drawn off the model The agar-agar is a Japanese vegetable jelly and i strength.

face of supvrim' smoollmvss to the mold,

Wlliflh is of grout importmivo for obtaining it perfect cast.

What i (:lziii'n i5-- A mold vompounri cmnposml of pondered ininornl wool,pinsinr oiqmris. iinrl agar-agar, substantially asspeuiiiml.

Signal by nu) :it Now York city, Mun lint (am, New York, thisfl'ftli (lily of Novvinlwi', 1905.

MAX AME \ViLLiAM SL'FIHLZ, FRANK vi B'RXESEN. 

